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[CI SKIP] Disable multiprecision in certain compilers.

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This commit is contained in:
Nick Thompson
2018-10-29 08:52:20 -06:00
parent f76d776698
commit cd60c4c9f9
3 changed files with 16 additions and 5 deletions
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4
include/boost/integer/mod_inverse.hpp
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@ -32,12 +32,12 @@ boost::optional<Z> mod_inverse(Z a, Z modulus)
if (a == 0) if (a == 0)
{ {
// a doesn't have a modular multiplicative inverse: // a doesn't have a modular multiplicative inverse:
return {}; return boost::none;
} }
euclidean_result_t<Z> u = extended_euclidean(a, modulus); euclidean_result_t<Z> u = extended_euclidean(a, modulus);
if (u.gcd > 1) if (u.gcd > 1)
{ {
return {}; return boost::none;
} }
// x might not be in the range 0 < x < m, let's fix that: // x might not be in the range 0 < x < m, let's fix that:
while (u.x <= 0) while (u.x <= 0)

9
test/extended_euclidean_test.cpp
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@ -4,8 +4,13 @@
* Boost Software License, Version 1.0. (See accompanying file * Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/ */
// A bug in gcc 4.8, not worth fixing, causes this to fail on gcc4.8. #if (defined(BOOST_MSVC) && (BOOST_MSVC < 1500)) || \
#if __GNUC__ > 4 (defined(__clang_major__) && (__clang_major__ == 3) && (__clang_minor__ < 2)) || \
(defined(BOOST_GCC) && defined(BOOST_GCC_CXX11) && BOOST_GCC < 40800)
#define DISABLE_MP_TESTS
#endif
#ifndef DISABLE_MP_TESTS
#include <cassert> #include <cassert>
#include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_int.hpp>
#include <boost/integer/common_factor.hpp> #include <boost/integer/common_factor.hpp>

8
test/mod_inverse_test.cpp
View File

@ -4,7 +4,13 @@
* Boost Software License, Version 1.0. (See accompanying file * Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/ */
#if __GNUC__ > 4 #if (defined(BOOST_MSVC) && (BOOST_MSVC < 1500)) || \
(defined(__clang_major__) && (__clang_major__ == 3) && (__clang_minor__ < 2)) || \
(defined(BOOST_GCC) && defined(BOOST_GCC_CXX11) && BOOST_GCC < 40800)
#define DISABLE_MP_TESTS
#endif
#ifndef DISABLE_MP_TESTS
#include <cassert> #include <cassert>
#include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_int.hpp>
#include <boost/integer/common_factor.hpp> #include <boost/integer/common_factor.hpp>